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s, Marinus, Plinius, and Strabo, calculated sixty-two and one-half miles to each degree. Thirdly we declare that there are two methods of procedure in this demarcation. The first is according to the conjectures and experiments made during many repeated voyages by skilled pilots. This method has been followed by all the writers on cosmography. The other most sure method is by proceeding in a northern altitude from north to south, and in an altitude from east to west, or by taking the east and west longitude. This is a difficult task, as this assembly is aware, and as each one has declared, and setting forth many methods for doing it that appear feasible to them, and finding fault with them all. First let us examine this first method, and then the second. As to the first we must place the line of demarcation three hundred and seventy leagues from the island of San Antonio. This number of leagues is equal to twenty-two degrees and almost nine miles. Reckoning degrees from that parallel and from the island of San Antonio there is a distance of one hundred and eighty leagues to Cape Verde which equals ten degrees. Therefore it is thirty-two degrees from Cape Verde to the line of demarcation. We assert then, that by graduating these degrees in this manner, the Malucos fall within the boundaries of our lord the Emperor, however we may make the demarcation. For if we wish to determine it after the customary models and where voyages have been made up to this time, to wit, calculating five hundred and forty leagues from Cape Guardafuui to Cape Comori, five hundred and sixty leagues from Cape Comori to Malaca, and four hundred and twenty leagues from Malaca to the Malucos, in which way the voyage is always made, not only do the Malucos fall within his Majesty's demarcation but also Malaca and Zamatra. And if, perchance, we wish to determine the demarcation in accordance with the recently corrected Portuguese maps, which reckon a much less number of leagues between the above-named places, to wit, from Cape Guardafuui to Cape Comori, Cape Comori to Malaca, and from Malaca to the Malucos, we still assert that the Malucos fall within the demarcation of our lord the Emperor. For according to these maps corrected recently in this way, the demarcation or line of demarcation falls near Gilolo, an island near the Malucos. This is so on the plane surface of their map. When this plane surface is reduced to a spherical one, because of the
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